DR. ROBERT JOHN CALLAHAN II M.D.
NPI 1235392366
Emergency Medicine in Springfield, OR
About Dr. Robert John Callahan Ii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT JOHN CALLAHAN II M.D. (NPI 1235392366) is an individual emergency medicine provider in Springfield, Oregon, licensed in Oregon (MD154296) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Robert John Callahan Ii M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Robert Callahan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eugene, OR 97401
- Reassigned Medicare billing, Oregon enrollment
- 58 clinicians in this Medicare group
Creswell, OR 97426
- Reassigned Medicare billing, Oregon enrollment
- 83 clinicians in this Medicare group
Cottage Grove, OR 97424
- Reassigned Medicare billing, Oregon enrollment
- 155 clinicians in this Medicare group
Florence, OR 97439
- Reassigned Medicare billing, Oregon enrollment
- 172 clinicians in this Medicare group
Newberg, OR 97132
- Reassigned Medicare billing, Oregon enrollment
- 198 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97477 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, OR 97477
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Robert Callahan's NPI number?
The NPI number for Robert Callahan is 1235392366. It was assigned to this individual provider in the NPPES registry on July 9, 2008.
Where is Robert Callahan located?
Robert Callahan practices at 3333 Riverbend Dr, Springfield, OR 97477. The listed phone number is (541) 222-6929.
What is Robert Callahan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Robert Callahan enrolled in Medicare?
Yes. Robert Callahan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Callahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Callahan reassigns Medicare benefits to 5 organizations: Eugene Emergency Physicians PC (Eugene, OR), Peacehealth Medical Group Cottage Grove (Creswell, OR), Peacehealth (Cottage Grove, OR), Peacehealth (Florence, OR) and Providence Health & Services - Oregon (Newberg, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Callahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Robert Callahan was last updated on December 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.